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-rw-r--r--drivers/usb/class/cdc-wdm.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/usb/class/cdc-wdm.c b/drivers/usb/class/cdc-wdm.c
index 5aacea1978a5..3e865dbf878c 100644
--- a/drivers/usb/class/cdc-wdm.c
+++ b/drivers/usb/class/cdc-wdm.c
@@ -190,8 +190,10 @@ static void wdm_in_callback(struct urb *urb)
190 /* 190 /*
191 * only set a new error if there is no previous error. 191 * only set a new error if there is no previous error.
192 * Errors are only cleared during read/open 192 * Errors are only cleared during read/open
193 * Avoid propagating -EPIPE (stall) to userspace since it is
194 * better handled as an empty read
193 */ 195 */
194 if (desc->rerr == 0) 196 if (desc->rerr == 0 && status != -EPIPE)
195 desc->rerr = status; 197 desc->rerr = status;
196 198
197 if (length + desc->length > desc->wMaxCommand) { 199 if (length + desc->length > desc->wMaxCommand) {